Classic SAP Business Warehouse supports enterprise data integration and reporting in earlier SAP landscapes. Teams evaluating modernisation should assess existing extractors, transformations, queries and consumers.
A BW modernisation may target BW/4HANA, Datasphere or a hybrid design depending on data flows and reporting needs.
A practical SAP BW engagement begins with an inventory of the installed product and release, affected business processes, connected systems and decision-makers. From there, the team can define scope, data and integration requirements, testing responsibilities and a realistic transition or support plan. This is legacy expertise: confirm current SAP maintenance and product availability against your own contract and roadmap.